推荐回答(1个)
VB常用函数介绍
一、常用内部函数
在VB内部提供了大量函数。在这些函数中,有些是通用的。有些则与某种操作有关的。大体分成五类,分别是:转换函数、数学函数、日期函数、时间函数和随机函数。
(1)转换函数
函数名 功能
Int(x) 返回不大于自变量的最大整数。
Fix(x) 去掉一个浮点数的小数部分,保留其整数部分。
Hex(x) 把一个十进制数转换成为十六进制数。
Oct(x) 把一个十进制数转换成为八进制数。
Asc(x) 返回字符串中第一个字符的ASCII码。
Chr(x) 把值转换为相应的ASCII字符。
Str(x) 把值转换为一个字符串
Cint(x) 把小数部分四舍五入,转换为整数。
Ccur(x) 把值转换为货币类型,小数部分最多保留4位。
CDbl(x) 把值转换为双精度数值。
CLng(x) 把值小数部分四舍五入转换为长整型数值。
CSng(x) 把值转换为单精度数值。
CVar(x) 把值转换为变体类型值。
(2)数学函数
函数名 功能
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